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Ubuntu 25.04: PHP Moderate Denial of Service Flaws USN-7648-1

Ubuntu Large Esm H500
Several security issues were fixed in PHP.
==========================================================================
Ubuntu Security Notice USN-7648-1
July 17, 2025

php8.1, php8.3, php8.4 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php8.4: HTML-embedded scripting language interpreter
- php8.3: HTML-embedded scripting language interpreter
- php8.1: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain hostnames containing
null characters. A remote attacker could possibly use this issue to bypass
certain hostname validation checks. (CVE-2025-1220)

It was discovered that PHP incorrectly handled the pgsql and pdo_pgsql
escaping functions. A remote attacker could possibly use this issue to
cause PHP to crash, resulting in a denial of service. (CVE-2025-1735)

It was discovered that PHP incorrectly handled parsing certain XML data in
SOAP extensions. A remote attacker could possibly use this issue to cause
PHP to crash, resulting in a denial of service. (CVE-2025-6491)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  libapache2-mod-php8.4           8.4.5-1ubuntu1.1
  php8.4                          8.4.5-1ubuntu1.1
  php8.4-cgi                      8.4.5-1ubuntu1.1
  php8.4-cli                      8.4.5-1ubuntu1.1
  php8.4-fpm                      8.4.5-1ubuntu1.1
  php8.4-pgsql                    8.4.5-1ubuntu1.1

Ubuntu 24.04 LTS
  libapache2-mod-php8.3           8.3.6-0ubuntu0.24.04.5
  php8.3                          8.3.6-0ubuntu0.24.04.5
  php8.3-cgi                      8.3.6-0ubuntu0.24.04.5
  php8.3-cli                      8.3.6-0ubuntu0.24.04.5
  php8.3-fpm                      8.3.6-0ubuntu0.24.04.5
  php8.3-pgsql                    8.3.6-0ubuntu0.24.04.5

Ubuntu 22.04 LTS
  libapache2-mod-php7.4           8.1.2-1ubuntu2.22
  libapache2-mod-php8.0           8.1.2-1ubuntu2.22
  libapache2-mod-php8.1           8.1.2-1ubuntu2.22
  php8.1                          8.1.2-1ubuntu2.22
  php8.1-cgi                      8.1.2-1ubuntu2.22
  php8.1-cli                      8.1.2-1ubuntu2.22
  php8.1-fpm                      8.1.2-1ubuntu2.22
  php8.1-pgsql                    8.1.2-1ubuntu2.22

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7648-1
  CVE-2025-1220, CVE-2025-1735, CVE-2025-6491

Package Information:
  
  https://launchpad.net/ubuntu/+source/php8.3/8.3.6-0ubuntu0.24.04.5
  https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.22

Ubuntu 25.04: PHP Moderate Denial of Service Flaws USN-7648-1

ubuntu
Calendar Grey July 17, 2025
Dist Ubuntu Esm H88
Multiple vulnerabilities in PHP on Ubuntu patched via updates. Potential denial of service threats mitigated successfully.
Several security issues were fixed in PHP.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in PHP. Software Description: - php8.4: HTML-embedded scripting language interpreter - php8.3: HTML-embedded scripting language interpreter - php8.1: HTML-embedded scripting language interpreter Details: It was discovered that PHP incorrectly handled certain hostnames containing null characters. A remote attacker could possibly use this issue to bypass certain hostname validation checks. (CVE-2025-1220) It was discovered that PHP incorrectly handled the pgsql and pdo_pgsql escaping functions. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2025-1735) It was discovered that PHP incorrectly handled parsing certain XML data in SOAP extensions. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE...

Read the Full Advisory

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.04 libapache2-mod-php8.4 8.4.5-1ubuntu1.1 php8.4 8.4.5-1ubuntu1.1 php8.4-cgi 8.4.5-1ubuntu1.1 php8.4-cli 8.4.5-1ubuntu1.1 php8.4-fpm 8.4.5-1ubuntu1.1 php8.4-pgsql 8.4.5-1ubuntu1.1 Ubuntu 24.04 LTS libapache2-mod-php8.3 8.3.6-0ubuntu0.24.04.5 php8.3 8.3.6-0ubuntu0.24.04.5 php8.3-cgi 8.3.6-0ubuntu0.24.04.5 php8.3-cli 8.3.6-0ubuntu0.24.04.5 php8.3-fpm 8.3.6-0ubuntu0.24.04.5 php8.3-pgsql 8.3.6-0ubuntu0.24.04.5 Ubuntu 22.04 LTS libapache2-mod-php7.4 8.1.2-1ubuntu2.22 libapache2-mod-php8.0 8.1.2-1ubuntu2.22 libapache2-mod-php8.1 8.1.2-1ubuntu2.22 php8.1 8.1.2-1ubuntu2.22 php8.1-cgi 8.1.2-1ubuntu2.22 php8.1-cli 8.1.2-1ubuntu2.22 php8.1-fpm 8.1.2-1ubuntu2.22 php8.1-pgsql 8.1.2-1ubuntu2.22 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7648-1

CVE-2025-1220, CVE-2025-1735, CVE-2025-6491

Ubuntu Security Notice USN-7648-1

Package Information

https://launchpad.net/ubuntu/+source/php8.3/8.3.6-0ubuntu0.24.04.5 https://launchpad.net/ubuntu/+source/php8.1/8.1.2-1ubuntu2.22

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